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Sample USGSD-115-2
NavDat sample number 7971 · DACITE
Sample
| Sample ID | USGSD-115-2 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Comment | trachytic texture; plagioclas, augite, hypersthene, opaques, and possibly some glass |
|---|
Location
| Latitude | 45.6906 |
|---|
| Longitude | -112.804 |
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| Location | from flow unit stratigraphically above USGSD-114-1; Beaverhead County |
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| State / province | Montana |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47.3 |
|
45.7 |
48.9 |
|
|
Analyses
No chemical analyses are stored for this sample.
